<?xml version="1.0" ?>
<?rb
  lang = 'en'
  list = ['<aaa>', 'b&b', '"ccc"']
?>
<html lang="@!{lang}@">
 <body>
  <ul>
  <?rb for item in list ?>
   <li>@{item}@</li>
  <?rb end ?>
  </ul>
 </body>
</html>
